diff --git a/slackbot/requirements.txt b/slackbot/requirements.txt
index e2f6c41..d28dabe 100644
--- a/slackbot/requirements.txt
+++ b/slackbot/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2018.8.13
+certifi==2022.12.7
 chardet==3.0.4
 idna==2.7
 requests==2.19.1